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Individual Calculations November 2019 |
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| Lobo Meneses, Natalia Total change: -41.60 | |   |
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| Campeonato Nacional por Equipos Sub18 Juvenil 2019 | San Ramon y Naranjo | CRC | 2019-09-21 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1130 | 1393 | 1.00 | 2 | -0.63 | 40 | -25.20 | |
|  Alvarado Monge, Noelia Patricia | | | 1061 | CRC | 0.00 | 1 | -0.88 | 40 | -35.20 | |  Soza Rojas, Dannilson G | | | 1199 | CRC | 1.00 | 1 | 0.25 | 40 | 10.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | VII Open Encuentro de Culturas 2019 | Santa Ana | CRC | 2019-10-05 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1515 | 1393 | 1.00 | 4 | -0.41 | 40 | -16.40 | |
| | Pastor Carvajal, Jeigoth | | | 1730 | CRC | 0.00 | 1 | -0.12 | 40 | -4.80 | | | Torrentes Arias, Greivin | | | 1632 | CRC | 0.00 | 1 | -0.20 | 40 | -8.00 | | | Leon Cubero, Brandon | | | 1557 | CRC | 0.00 | 1 | -0.28 | 40 | -11.20 | | | Orozco Darcia, Dylan | | | 1139 | CRC | 1.00 | 1 | 0.19 | 40 | 7.60 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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